First put the rail together.
Proper way to mount a garage door motor.
Then you will need to slide the carriage also known as a trolley over the rail.
Begin by putting together the main assembly.
Test it by placing a 2 by 4 flat on the garage floor and under the path of the door.
As you can see this small and humble part plays an essential role in the proper functioning of your garage door.
Align the opener s rail with the center of the garage door.
This is the piece of the opener that.
Attach the rail to the motor garage door opener unit as part of the rail there is an extra piece or bracket that is used to attach it to the motor.
Cut two 2 x 6 pieces of lumber and attach to the face of the wall running from the edge of your garage door jambs to the ceiling of your garage.
To hold the section in place lightly toenail a 16d nail into the frame and bend it over the section.
This should come in several pieces that fit easily together.
By law all units come equipped with a safety device that can shut down the motor if something obstructs the path of a closing door.
If the door does not automatically reverse when it hits the 2 by 4 the opener must be adjusted.
Attach the rail.
Accordingly when you re installing brackets a slight misalignment in terms of placement or a failure to tighten the screws adequately can really cause inconvenience later by impeding the functioning of the door itself.
Use the provided screws to fasten it to the unit.
Place the opener on a ladder and use scrap lumber to get it at the height you need.
Most openers have a closing force adjustment screw or knob on the main motor housing.
Then slide in the rest of the rail into it we did it this way.
When adjusting it make sure the door will close all the way without reversing.
Add brackets and rollers before setting them in place and stack one section on top of another toenailing as you go up.
Pull a measurement from the floor of your space to the ceiling next to the door opening.
Mount one device on each side of the door as directed.
Plug the unit into its socket.
This lumber will be used to attach your garage door track and a portion of your assembly.
Follow the manufacturer s instructions to assemble the opener and mount the rail to the header bracket above the door.